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关于DML语句处理过程和Checkpoint not complete的理解
当一个大的DML 是,先database buffer cache 中进行修改同时在修改之前会将数据的前镜像保存在回滚段中，然后将修改之前和修改之后的数据都写入到redo log buffer中.? 当提交事务时? 当重做日志缓冲区三分之一满时? ...
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Tahiti
Tahiti
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EBS Documentations
EBS Documentations
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kamus
kamus
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翻译 Oracle 8i interal Service (2.2.4 Wait Parameters)
2.2.4 Wait ParametersThe wait statistics are very useful because they tell you which sessions have beenwaiting, and which types of resources they have been waiting for. They may havebeen waiting for l...
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CSDN
CSDN
